A 아저씨,이 공책 세 권 주세요.
B --------------------------a) 네,여기 있습니다.
b) 네,세 권 있습니다.
I am doing some exercises to understand more about grammars and vocabulary. For the dialogue above, the answer is the option a. However, I am wondering if the option b also works.
Could anyone share your opinion? Thanks.